When To Go · Destination Guide
Two Corsican gulfs, deep Mediterranean walls, historic wrecks, and a serious freediving scene
When to go
Plan the broad water season from May through October and target June or September for the best overall compromise.
Best overall window
Broad water schedules, water generally around 20°C to 23°C, and easier heat and crowd levels than peak summer.
Outside that window
School Holiday Crowds.
Start with the overall answer, then switch only when scuba, freedive, snorkel, or topside timing changes the trip in a meaningful way.
The overall row stays visible so you can compare it against the currently selected scope.
| Scope | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall | Overall - Jan: More variable | Overall - Feb: More variable | Overall - Mar: More variable | Overall - Apr: More variable | Overall - May: Good | Overall - Jun: Best | Overall - Jul: More variable | Overall - Aug: More variable | Overall - Sep: Best | Overall - Oct: Good | Overall - Nov: More variable | Overall - Dec: More variable |
These do not replace the overall planner. Use them only if a specific animal or event is driving your trip dates.
Protected Grouper and Corb
Best for Scuba, Freedive, Snorkel
Year-round
Groupers and corb are resident Mediterranean fish rather than a brief migration.
Ajaccio Freediving Camps and Competitions
Best for Freedive
May, Jul, Oct
Ajaccio's depth community publishes spring, summer, and autumn camps or competitions.
Built from climate references, access rules, and destination operators. Wildlife timing and route flexibility can shift year to year.